lkml.org 
[lkml]   [2002]   [Dec]   [18]   [last100]   RSS-feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
Complete thread (EXPERIMENTAL)
/
DateWed, 18 Dec 2002 16:46:15 -0800
FromTill Immanuel Patzschke <>
Subject15000+ processes -- poor performance ?!
Digg This
Dear List(s),

as part of my project I need to run a very high number of processes/threads on a linux machine. Right now I have a Dual-PIII 1.4G w/ 8GB RAM -- I am running 4000 processes w/ 2-3 threads each totaling in a process count of 15000+ processes (since Linux doesn't really distinguish between threads and processes...).
Once I pass the 10000 (+/-) pocesses load increases drastically (on startup,
although it returns to normal), however the system time (on one processor)
reaches for 54% (12061 procs) while the only non sleeping process is top -- the
system is basically doing nothing (except scheduling the "nothing" which
consumes significant system time).
Is there anything I can do to reduce that system load/time?  (I haven't been
able to exactly define the "line" but it definitly gets worse the more processes
need to be handled.)
Does any of the patchsets address this particular problem?
BTW: The processes are all alike...
Thanks for you help!

Immanuel

\
ISP Services
Valid XHTML 1.0!\ /
Valid CSS! Last update: 2005-03-22 12:31    [W:0.240 / U:0.010 seconds]
©2003-2005 Jasper Spaans